package com.lagou.stage02;

public abstract class ServiceAbstract {
    private double monthly_charges;

    public ServiceAbstract() {
    }

    private ServiceAbstract(double monthly_charges) {
        setMonthlyCharges(monthly_charges);
        this.monthly_charges = monthly_charges;
    }

    public double getMonthlyCharges() {
        return monthly_charges;
    }

    public void setMonthlyCharges(double monthly_charges) {
        this.monthly_charges = monthly_charges;
    }

    public abstract void show();
}
